EP1008468B2 - Mounting for drawbar - Google Patents
Mounting for drawbar Download PDFInfo
- Publication number
- EP1008468B2 EP1008468B2 EP99124240A EP99124240A EP1008468B2 EP 1008468 B2 EP1008468 B2 EP 1008468B2 EP 99124240 A EP99124240 A EP 99124240A EP 99124240 A EP99124240 A EP 99124240A EP 1008468 B2 EP1008468 B2 EP 1008468B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- support according
- coupling support
- cross bar
- holder
- connecting element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
- B60D1/485—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting mounted by means of transversal members attached to the frame of a vehicle
Definitions
- the invention relates to a coupling support for motor vehicles, in particular for passenger vehicles, comprising a substantially along a portion of a rear bumper extending cross member to which a trailer hitch is mounted, and two spaced in the longitudinal direction of the cross member holder, which carry the cross member and which are connectable with provided on a body of the motor vehicle mounting locations (see, eg US-A-4 032 170 ).
- Such coupling carriers are known from the prior art.
- the holders are rigidly connected to the cross member and form a unit.
- Such a rigid connection of the holder with the cross members is usually carried out in the context of a joint, preferably a welded joint, but must take all the load acting on the trailer hitch load peaks in trailer operation, and, since it is usually designed as corner welding connection, must therefore be designed with high load stability ,
- the coupling carrier of the respective body of the motor vehicle is to be adjusted and thus for each body of different types of vehicles a specially provided for this type clutch carrier with a firm joint connection between holder and cross member to produce, so that the Rationalmaschinespotential is limited.
- the invention is therefore an object of the invention to provide a coupling support of the generic type, which is as easy to produce.
- each of the connecting elements from at least one longitudinally extending along a line, tensile in the direction of its longitudinal extension and is formed transversely to the longitudinal extension elastic connecting body.
- Such a connecting body makes it possible to effect the elastic behavior solely by deformation transversely to its longitudinal extension and on the other hand to obtain a sufficiently high tensile stiffness for the usual recording of tensile loads.
- each connecting element between the cross member and the respective holder forms an arc section as an intermediate piece.
- Such an arc section has the advantage that it creates the possibility in a simple yet stable manner to initiate the forces of the cross member in the holder without corner areas arise in which occur at breaking load acting on the hitch load fractures favoring voltages.
- connection elements can then be realized if they have an arc section as an intermediate piece and if the arc section essentially determines the elastic behavior of the connecting elements.
- the realization of the elastichen behavior by means of the arc portion of the connecting elements is particularly advantageous because the possibility is already created by the sheet alone by deformation of the sheet to obtain an elasticity in the behavior of the connecting element, without affecting the cross member or the holder effect. Further features of the invention are specified in the dependent claims.
- each connecting element has a extending in the longitudinal direction of the cross member and connected thereto first portion and extending in the longitudinal direction of the body and connected to the respective holder second portion.
- each connecting element is connected to the first portion of the cross member in the region of one end of the same.
- each connecting element extends in the longitudinal direction of the body along the respective holder, so that even a simple, only loaded on train connection with the holder can be realized.
- the connecting element could be formed as a corner angle or T-piece to provide a connection with the cross member and the respective holder.
- each connecting element between the cross member and the respective holder forms an arc section as an intermediate piece.
- Such an arc section has the advantage that it creates the possibility in a simple yet stable manner to initiate the forces of the cross member in the holder without corner areas arise in which occur at breaking load acting on the hitch load fractures favoring voltages.
- connection between the connecting elements and the holders no details have been given so far. So it would be possible in principle to provide a joint connection between the connecting elements and the holders.
- a particularly advantageous solution provides that the connecting elements can be connected to the holders by positive locking elements.
- Positive locking elements are those which enforce the holder, such Positive locking elements may for example be bolts, screws or rivets or the like.
- connection between the connecting elements and the cross member there been given for making the connection between the connecting elements and the cross member. So a joint connection would also be conceivable. However, it has proved to be particularly advantageous to make the connection between the connecting elements and the cross member by positive locking elements.
- Such form-locking elements are preferably those which pass through wall regions of the cross member.
- positive locking elements are bolts, screws or rivets.
- connection between the connecting elements and the holder and / or the cross member by means of positive locking elements has the great advantage that thereby even in the production of the coupling carrier even with existing dimensions of the holder, the connecting elements and the cross member adaptations to possibly different body styles thereby are possible that the positioning of the interlocking elements is variable. For example, it is possible to make adjustments by changing the position of holes still in a simple manner.
- connection between the connecting elements and the holder and / or a connection between the connecting elements and the cross member aluminum and steel or other materials it is possible to connect a wide variety of materials that are also inaccessible to joining.
- connection between the connecting elements and the holder and / or a connection between the connecting elements and the cross member aluminum and steel or other materials it is also possible, with a connection between the connecting elements and the holder and / or a connection between the connecting elements and the cross member aluminum and steel or other materials to combine with each other without problems in terms of stability of the connection.
- the e.g. elasticity in the connecting elements according to the invention provides the ability to eliminate load peaks acting on the trailer coupling on the one hand with regard to their effect on the stability of the coupling carrier and also intercept the load peaks so that they do not adversely affect the mounting positions of the body, since due to the elasticity in the Area of the connecting elements, the load peaks are flattened in their course and thus already weakened act on the mounting points of the body of the motor vehicle.
- the connecting body can be realized in a particularly favorable manner when it extends along a curved line and thereby serves to form the curved section of the connecting element.
- the connecting body is designed as a flat material strut.
- the connecting body is formed from resilient steel.
- each connecting body extends with a cross member side leg along the cross member.
- the connecting body engages with the cross beam side leg in an end opening of the respective cross member.
- each connecting body extends with a holder side leg along the respective holder, so that in a simple manner a connection, in particular a positive connection between the holder side leg and the holder can be produced.
- each connecting element is formed from two connecting bodies.
- the two connecting bodies of a connecting element are arranged so that they are arranged next to one another at a distance and thus have a sufficiently high stability, in particular in the region of the arc portion of the connecting body.
- a particularly favorable solution provides that the respective holder lies substantially between the connecting bodies and thus at the same time represents a spacer between the connecting bodies in the region of the holder-side legs, which then preferably extend from the holder at a distance from each other bent to the arc portion of the connecting element to build.
- each holder comprises two spaced-apart mounting body, each mounting body is provided for mounting at a mounting point of the body.
- the two mounting bodies could then, if they are each connected to the holder-side legs of the respective connecting element, be provided separately. In order to obtain a precise alignment of the mounting body, however, it is preferably provided that the mounting body are connected together.
- the mounting body are connected by a web.
- the cross member is formed as a tube.
- the cross member is designed as a square tube, which makes it particularly easy to fix on opposite walls, the connecting body at a distance from each other, so that thereby also the cross member is used as a spacer between the two connecting bodies of a connecting element.
- the cross member is made of light metal, in particular aluminum, in order to contribute to the weight saving of the coupling carrier.
- a weight saving in the coupling carrier according to the invention can also be achieved if the holders are made of light metal, in particular aluminum.
- FIG Fig. 1 to 3 An embodiment of a coupling carrier according to the invention, shown in FIG Fig. 1 to 3 , and designated as a whole by 10, is used to fix a conventional trailer coupling 12, comprising a ball neck 14, which carries a ball head 16, on a body 18 of a motor vehicle, in particular a passenger vehicle.
- the body 18 includes for mounting the coupling support on both sides in the rear area 20 and near a body floor 22 provided mounting locations 24, 26, each mounting point, as exemplified by the example of mounting point 26, two mounting points 26a, 26b, in the longitudinal direction 28 of the body sequentially are arranged.
- a holder 30, 32 preferably made of aluminum, connectable, which is then connected via a respective connecting element 40, 42 according to the invention with a cross member 44 which is transverse to its longitudinal direction 46, preferably perpendicular to the longitudinal direction 28th the vehicle body 18 extends, preferably parallel to a rear bumper 48 of the body 18 and is optically hidden by this bumper 48.
- the cross member 44 then carries in turn preferably in a central fastening region 50, the trailer coupling 12, which may be formed in various ways.
- the trailer coupling 12 can be a towing hitch 12 with a ball neck 14 fixedly mounted on the cross member 44, or a hitch 12 with a detachable ball neck 14 or a pivoting ball neck, with the body-fixed part of the hitch 12 being mounted on the fastening area 50.
- the cross member 44 is preferably formed of a square tube, in particular a square tube made of aluminum, and in each case open at its ends 52, 54, so that in these the corresponding connecting elements 40 and 42 can engage.
- each of the connecting elements 40, 42 comprises two flat material struts 60, 62, which run at a distance from one another and have crosspiece-side legs 64, 66 which engage in the crossbeam 44 in the region of the open ends 52, 54 and preferably each with screws 68, 70 are bolted to opposite side walls 72 and 74 of the crossbar formed as a square tube 44.
- the flat material struts 60, 62 comprise arc segments of the connecting bodies 76, 78 which, starting from the transversely extending substantially transversely to the longitudinal direction 28 of the body transverse side legs 64, 66 in an approximately horizontal plane 80 so curve far until they extend with holder-side legs 82 and 84 approximately in the longitudinal direction 28 of the body 18.
- each of the mounting body 86, 88 is located between the two holder-side legs 82 and 84 and is preferably by a both the holder-side legs 82 and 84 and the respective mounting body 86 and 88 by cross-bolt 90 and 92 with the holder side legs 82 and 84th connected.
- each of the mounting bodies 86 and 88 is provided with a mounting member 94 and 96, respectively, which makes it possible to connect to the mounting points 26a, 26b.
- the mounting members 94 and 96 holes through which screws 98, 100 are hin barnschraubbar, which are screwed into the mounting points 26 a, 26 b of the respective mounting point 24, 26 or by means of a nut can be fixed thereto.
- the two of the respective holder 30, 32 enclosed mounting body 86, 88 additionally connected by a connecting web 102, which on the one hand ensures that the two mounting body 86, 88 in particular with the mounting members 94, 96 in a precisely by the mounting points 26 a , b defined distance and in exactly defined alignment with each other, so that a trouble-free installation on the body 18 is possible.
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Connection Of Plates (AREA)
- Arrangement Of Transmissions (AREA)
- Seal Device For Vehicle (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
Description
Die Erfindung betrifft einen Kupplungsträger für Kraftfahrzeuge, insbesondere für Personenkraftfahrzeuge, umfassend einen sich im wesentlichen längs eines Abschnitts eines hinteren Stoßfängers erstreckenden Querträger, an welchem eine Anhängekupplung montierbar ist, und zwei in Längsrichtung des Querträgers im Abstand voneinander angeordnete Halter, welche den Querträger tragen und welche mit an einer Karosserie des Kraftfahrzeugs vorgesehenen Montagestellen verbindbar sind (siehe z.B.
Derartige Kupplungsträger sind aus dem Stand der Technik bekannt. Bei diesen Kupplungsträgern sind üblicherweise die Halter starr mit dem Querträger verbunden und bilden eine Einheit. Eine derartige starre Verbindung der Halter mit den Querträgern erfolgt üblicherweise im Rahmen einer Fügeverbindung, vorzugsweise einer Schweißverbindung, die jedoch beim Anhängerbetrieb sämtliche auf die Anhängekupplung wirkenden Lastspitzen aufnehmen muß, und, da sie üblicherweise als Eckschweißverbindung ausgeführt ist, daher mit hoher Lastwechselstabilität ausgeführt sein muß.Such coupling carriers are known from the prior art. In these clutch carriers usually the holders are rigidly connected to the cross member and form a unit. Such a rigid connection of the holder with the cross members is usually carried out in the context of a joint, preferably a welded joint, but must take all the load acting on the trailer hitch load peaks in trailer operation, and, since it is usually designed as corner welding connection, must therefore be designed with high load stability ,
Eine derartige Verbindung zwischen den Haltern und den Querträgern ist daher entweder herstellungstechnisch aufwendig oder erfüllt die geforderten Anforderungen nicht.Such a connection between the holders and the cross members is therefore either manufacturing technically complicated or does not meet the required requirements.
Darüber hinaus ist der Kupplungsträger der jeweiligen Karosserie des Kraftfahrzeugs anzupassen und somit ist für jede Karosserie unterschiedlicher Kraftfahrzeugtypen ein speziell für diesen Typ vorgesehener Kupplungsträger mit fester Fügeverbindung zwischen Halter und Querträger herzustellen, so daß das Rationalisierungspotential begrenzt ist.In addition, the coupling carrier of the respective body of the motor vehicle is to be adjusted and thus for each body of different types of vehicles a specially provided for this type clutch carrier with a firm joint connection between holder and cross member to produce, so that the Rationalisierungspotential is limited.
Der Erfindung liegt daher die Aufgabe zugrunde, einen Kupplungsträger der gattungsgemäßen Art zu schaffen, welcher möglichst einfach herstellbar ist.The invention is therefore an object of the invention to provide a coupling support of the generic type, which is as easy to produce.
Diese Aufgabe wird bei einem Kupplungsträger der eingangs beschriebenen Art erfindungsgemäß durch die Kennzeichenden Merkmale des Anspruchs 1 gelöst. Erfindungsgemäß verbinden die beanspruchten Verbindungselemente den Querträger mit den Haltern hinsichtlich möglicher auf die Anhängekupplung wirkender Lastspitzen elastisch. Hinzu Kommt, daß jedes der Verbindungselemente aus mindestens einem sich längs einer Linie erstreckenden, in Richtung seiner Längserstreckung zugsteifen und quer zur Längserstreckung elastischen Verbindungskörper gebildet ist. Ein derartiger Verbindungskörper schafft die Möglichkeit, allein durch Verformung quer zu seiner Längserstreckung das elastische Verhalten zu bewirken und andererseits eine ausreichend große Zugsteifigkeit für die übliche Aufnahme von Zuglasten zu erhalten.This object is achieved according to the invention in a clutch carrier of the type described above by the characterizing features of claim 1. According to the claimed fasteners connect the cross member with the holders elastically with respect to possible acting on the trailer coupling load peaks. In addition comes that each of the connecting elements from at least one longitudinally extending along a line, tensile in the direction of its longitudinal extension and is formed transversely to the longitudinal extension elastic connecting body. Such a connecting body makes it possible to effect the elastic behavior solely by deformation transversely to its longitudinal extension and on the other hand to obtain a sufficiently high tensile stiffness for the usual recording of tensile loads.
Außerdem ist erfindungsgemäß vorgesehen dass jedes Verbindungselement zwischen dem Querträger und dem jeweiligen Halter einen Bogenabschnitt als Zwischenstück bildet. Ein derartiger Bogenabschnitt hat den Vorteil, daß er in einfacher und zugleich stabiler Art und Weise die Möglichkeit schafft, die Kräfte von dem Querträger in die Halter einzuleiten, ohne daß Eckbereiche entstehen, in denen bei auf die Anhängekupplung wirkenden Lastspitzen einen Bruch begünstigende Spannungen auftreten.In addition, the invention provides that each connecting element between the cross member and the respective holder forms an arc section as an intermediate piece. Such an arc section has the advantage that it creates the possibility in a simple yet stable manner to initiate the forces of the cross member in the holder without corner areas arise in which occur at breaking load acting on the hitch load fractures favoring voltages.
Eine erfindungsgemäße Ausbildung der Verbindungselemente läßt sich dann realisieren, wenn diese einen Bogenabschnitt als Zwischenstück aufweisen und wenn der Bogenabschnitt im wesentlichen das elastische Verhalten der Verbindungselemente bestimmt. Die Realisierung des elastichen Verhaltens mittels des Bogenabschnitts der Verbindungselemente ist besonders deshalb vorteilhaft, weil durch den Bogen bereits die Möglichkeit geschaffen ist, allein durch Deformation des Bogens selbst eine Elastizität im Verhalten des Verbindungselements zu erhalten, ohne daß sich dies auf den Querträger oder die Halter auswirkt.
Weitere Merkmale der Erfindung sind in den abhängigen Ansprüchen angegeben.An inventive design of the connecting elements can then be realized if they have an arc section as an intermediate piece and if the arc section essentially determines the elastic behavior of the connecting elements. The realization of the elastichen behavior by means of the arc portion of the connecting elements is particularly advantageous because the possibility is already created by the sheet alone by deformation of the sheet to obtain an elasticity in the behavior of the connecting element, without affecting the cross member or the holder effect.
Further features of the invention are specified in the dependent claims.
Das Vorsehen derartiger Verbindungselemente zwischen dem Querträger und den Haltern schafft eine Vielzahl von neuen herstellungstechnischen Möglichkeiten. Beispielsweise besteht die Möglichkeit, die Querträger zumindest für mehrere Karosserietypen standardisiert herzustellen und die Unterschiede zwischen den einzelnen Karosserietypen über die Form der Verbindungselemente auszugleichen.The provision of such fasteners between the cross member and the holders provides a Variety of new manufacturing capabilities. For example, it is possible to produce the cross member standardized for at least several body types and to compensate for the differences between the different body types on the shape of the fasteners.
Desselben können die Halter, die somit lediglich an die Montagestellen angepaßt werden müssen, ebenfalls standardisiert werden und Varianten zwischen unterschiedlichen Karosserietypen können ebenfalls über die Verbindungselemente ausgeglichen werden.Desselben the holders, which must therefore be adapted only to the mounting locations, also be standardized and variants between different body types can also be compensated through the fasteners.
Um eine einfache Verbindung zwischen dem Querträger und den Haltern zu schaffen ist vorzugsweise vorgesehen, daß jedes Verbindungselement einen sich in Längsrichtung des Querträgers erstreckenden und mit diesem verbundenen ersten Abschnitt und einen sich in Längsrichtung der Karosserie erstreckenden und mit dem jeweiligen Halter verbundenen zweiten Abschnitt aufweist.In order to provide a simple connection between the cross member and the holders is preferably provided that each connecting element has a extending in the longitudinal direction of the cross member and connected thereto first portion and extending in the longitudinal direction of the body and connected to the respective holder second portion.
Eine besonders einfache Verbindung mit dem Querträger ist dann möglich, wenn jedes Verbindungselement mit seinem ersten Abschnitt mit dem Querträger im Bereich jeweils eines Endes desselben verbunden ist. Beispielsweise besteht die Möglichkeit, den ersten Abschnitt des Verbindungselements in eine endseitige Öffnung des Querträgers einzustecken oder so auszubilden, daß er den Querträger endseitig übergreift.A particularly simple connection with the cross member is possible if each connecting element is connected to the first portion of the cross member in the region of one end of the same. For example, it is possible to insert the first portion of the connecting element in an end opening of the cross member or in such a way that it engages over the cross member end.
Darüber hinaus sieht ein vorteilhaftes Ausführungsbeispiel vor, daß jedes Verbindungselement sich in Längsrichtung der Karosserie längs des jeweiligen Halters erstreckt, so daß auch eine einfache, lediglich auf Zug belastete Verbindung mit dem Halter realisiert werden kann.In addition, an advantageous embodiment provides that each connecting element extends in the longitudinal direction of the body along the respective holder, so that even a simple, only loaded on train connection with the holder can be realized.
Prinzipiell könnte das Verbindungselement als Eckwinkel oder T-Stück ausgebildet sein, um eine Verbindung mit dem Querträger und dem jeweiligen Halter zu schaffen.In principle, the connecting element could be formed as a corner angle or T-piece to provide a connection with the cross member and the respective holder.
Als besonders vorteilhaft hat es sich erwiesen, wenn jedes Verbindungselement zwischen dem Querträger und dem jeweiligen Halter einen Bogenabschnitt als Zwischenstück bildet. Ein derartiger Bogenabschnitt hat den Vorteil, daß er in einfacher und zugleich stabiler Art und Weise die Möglichkeit schafft, die Kräfte von dem Querträger in die Halter einzuleiten, ohne daß Eckbereiche entstehen, in denen bei auf die Anhängekupplung wirkenden Lastspitzen einen Bruch begünstigende Spannungen auftreten.It has proved to be particularly advantageous if each connecting element between the cross member and the respective holder forms an arc section as an intermediate piece. Such an arc section has the advantage that it creates the possibility in a simple yet stable manner to initiate the forces of the cross member in the holder without corner areas arise in which occur at breaking load acting on the hitch load fractures favoring voltages.
Hinsichtlich der Verbindung zwischen den Verbindungselementen und den Haltern wurden bislang keine näheren Angaben gemacht. So wäre es prinzipiell möglich, auch zwischen den Verbindungselementen und den Haltern eine Fügeverbindung vorzusehen. Eine besonders vorteilhafte Lösung sieht jedoch vor, daß die Verbindungselemente mit den Haltern durch Formschlußelemente verbindbar sind.With regard to the connection between the connecting elements and the holders no details have been given so far. So it would be possible in principle to provide a joint connection between the connecting elements and the holders. However, a particularly advantageous solution provides that the connecting elements can be connected to the holders by positive locking elements.
Besonders einfache Formschlußelemente sind solche, welche den Halter durchsetzen, derartige Formschlußelemente können beispielsweise Schraubenbolzen, Schrauben oder Nieten oder ähnliches sein.Particularly simple positive locking elements are those which enforce the holder, such Positive locking elements may for example be bolts, screws or rivets or the like.
Desgleichen wurden keine näheren Angaben zur Durchführung der Verbindung zwischen den Verbindungselementen und dem Querträger gemacht. So wäre ebenfalls eine Fügeverbindung denkbar. Es hat sich jedoch als besonders günstig erwiesen, auch die Verbindung zwischen den Verbindungselementen und dem Querträger durch Formschlußelemente zu gestalten. Derartige Formschlußelemente sind vorzugsweise solche, welche Wandbereiche des Querträgers durchsetzen. Beispielsweise sind derartige Formschlußelemente Schraubenbolzen, Schrauben oder Nieten. 'Likewise, no details have been given for making the connection between the connecting elements and the cross member. So a joint connection would also be conceivable. However, it has proved to be particularly advantageous to make the connection between the connecting elements and the cross member by positive locking elements. Such form-locking elements are preferably those which pass through wall regions of the cross member. For example, such positive locking elements are bolts, screws or rivets. '
Generell hat das Ausführen der Verbindung zwischen den Verbindungselementen sowie dem Halter und/oder dem Querträger mittels Formschlußelementen den großen Vorteil, daß dadurch auch bei der Herstellung der Kupplungsträger selbst bei bereits bestehenden Dimensionen der Halter, der Verbindungselemente und des Querträgers Anpassungen an gegebenenfalls unterschiedliche Karosserievarianten dadurch möglich sind, daß die Positionierung der Formschlußelemente variabel ist. Beispielsweise besteht die Möglichkeit, durch Änderung der Lage von Bohrungen noch in einfacher Weise Anpassungen vorzunehmen.In general, the execution of the connection between the connecting elements and the holder and / or the cross member by means of positive locking elements has the great advantage that thereby even in the production of the coupling carrier even with existing dimensions of the holder, the connecting elements and the cross member adaptations to possibly different body styles thereby are possible that the positioning of the interlocking elements is variable. For example, it is possible to make adjustments by changing the position of holes still in a simple manner.
DarĂĽber hinaus hat das Verwenden von FormschluĂźelementen den groĂźen Vorteil, daĂź mit diesen unterschiedliche Materialien in einfacher Weise miteinander verbindbar sind.In addition, the use of positive-locking elements has the great advantage that these different materials are connected to one another in a simple manner.
Beispielsweise besteht die Möglichkeit, unterschiedlichste und auch einem Fügen nicht zugängliche Materialien miteinander zu verbinden. Insbesondere besteht auch die Möglichkeit, bei einer Verbindung zwischen den Verbindungselementen und dem Halter und/oder einer Verbindung zwischen den Verbindungselementen und dem Querträger Aluminium und Stahl oder auch andere Materialien miteinander zu kombinieren, ohne daß Probleme hinsichtlich der Stabilität der Verbindung auftreten.For example, it is possible to connect a wide variety of materials that are also inaccessible to joining. In particular, it is also possible, with a connection between the connecting elements and the holder and / or a connection between the connecting elements and the cross member aluminum and steel or other materials to combine with each other without problems in terms of stability of the connection.
Die e.g. erfindungsgemäße Elastizität in den Verbindungselementen schafft die Möglichkeit, auf die Anhängekupplung wirkende Lastspitzen einerseits hinsichtlich ihrer Wirkung auf die Stabilität des Kupplungsträgers zu eliminieren und außerdem die Lastspitzen auch so abzufangen, daß sie sich nicht negativ auf die Montagestellen der Karosserie auswirken, da aufgrund der Elastizität im Bereich der Verbindungselemente die Lastspitzen in ihrem Verlauf abgeflacht werden und somit bereits abgeschwächt auf die Montagestellen der Karosserie des Kraftfahrzeugs wirken.The e.g. elasticity in the connecting elements according to the invention provides the ability to eliminate load peaks acting on the trailer coupling on the one hand with regard to their effect on the stability of the coupling carrier and also intercept the load peaks so that they do not adversely affect the mounting positions of the body, since due to the elasticity in the Area of the connecting elements, the load peaks are flattened in their course and thus already weakened act on the mounting points of the body of the motor vehicle.
Besonders günstig läßt sich der Verbindungskörper dann realisieren, wenn er sich längs einer gebogenen Linie erstreckt und dabei dazu dient, den Bogenabschnitt des Verbindungselements zu bilden.The connecting body can be realized in a particularly favorable manner when it extends along a curved line and thereby serves to form the curved section of the connecting element.
Im einfachsten Fall ist der Verbindungskörper dabei als Flachmaterialstrebe ausgebildet.In the simplest case, the connecting body is designed as a flat material strut.
Insbesondere dann, wenn die ausreichende Zugsteifigkeit mit einem elastischen Verhalten kombiniert werden soll, ist vorgesehen, daß der Verbindungskörper aus federelastischem Stahl gebildet ist.In particular, when the sufficient tensile rigidity is to be combined with an elastic behavior, it is provided that the connecting body is formed from resilient steel.
Hinsichtlich der Fixierung derartiger Verbindungskörper an dem Querträger ist vorzugsweise vorgesehen, daß jeder Verbindungskörper sich mit einem querträgerseitigen Schenkel längs des Querträgers erstreckt. Vorzugsweise greift der Verbindungskörper mit dem querträgerseitigen Schenkel in eine endseitige Öffnung des jeweiligen Querträgers ein.With regard to the fixation of such connecting body to the cross member is preferably provided that each connecting body extends with a cross member side leg along the cross member. Preferably, the connecting body engages with the cross beam side leg in an end opening of the respective cross member.
Ferner ist hinsichtlich der Verbindung des Verbindungskörpers mit dem Halter vorzugsweise vorgesehen, daß jeder Verbindungskörper sich mit einem halterseitigen Schenkel längs des jeweiligen Halters erstreckt, so daß in einfacher Weise eine Verbindung, insbesondere eine formschlüssige Verbindung zwischen dem halterseitigen Schenkel und dem Halter herstellbar ist.Further, it is preferably provided with respect to the connection of the connecting body to the holder, that each connecting body extends with a holder side leg along the respective holder, so that in a simple manner a connection, in particular a positive connection between the holder side leg and the holder can be produced.
Prinzipiell wäre es ausreichend, das Verbindungselement aus einem derartigen Verbindungskörper herzustellen. Eine besonders hohe Steifigkeit und Stabilität bei trotzdem ausreichender Elastizität läßt sich jedoch dann erreichen, wenn jedes Verbindungselement aus zwei Verbindungskörpern ausgebildet ist.In principle, it would be sufficient to produce the connecting element from such a connecting body. However, a particularly high rigidity and stability while still having sufficient elasticity can be achieved if each connecting element is formed from two connecting bodies.
Vorzugsweise sind dabei die zwei Verbindungskörper eines Verbindungselements so angeordnet, daß sie im Abstand nebeneinanderliegend angeordnet sind und dadurch eine ausreichend große Stabilität, insbesondere im Bereich des Bogenabschnitts des Verbindungskörpers aufweisen.Preferably, the two connecting bodies of a connecting element are arranged so that they are arranged next to one another at a distance and thus have a sufficiently high stability, in particular in the region of the arc portion of the connecting body.
Insbesondere beim Vorsehen zweier Verbindungskörper ist zweckmäßigerweise vorgesehen, daß der jeweilige Halter zwischen die zwei Verbindungskörper eingreift, so daß die Verbindungskörper zumindest bereichsweise den Halter zwischen sich einschließen. Eine derartige Lösung schafft insbesondere den Vorteil, daß noch eine gewisse Adaptionsmöglichkeit bei der Fixierung des jeweiligen Halters an den Verbindungskörpern besteht.In particular, when providing two connecting body is suitably provided that the respective holder engages between the two connecting body, so that the connecting body at least partially enclose the holder between them. Such a solution provides in particular the advantage that there is still a certain possibility of adaptation in the fixation of the respective holder to the connecting bodies.
Eine besonders günstige Lösung sieht vor, daß der jeweilige Halter im wesentlichen zwischen den Verbindungskörpern liegt und somit im Bereich der halterseitigen Schenkel gleichzeitig ein Distanzstück zwischen den Verbindungskörpern darstellt, welche dann vorzugsweise ausgehend von dem Halter im Abstand voneinander gebogen verlaufen, um den Bogenabschnitt des Verbindungselements zu bilden.A particularly favorable solution provides that the respective holder lies substantially between the connecting bodies and thus at the same time represents a spacer between the connecting bodies in the region of the holder-side legs, which then preferably extend from the holder at a distance from each other bent to the arc portion of the connecting element to build.
Hinsichtlich der Ausbildung des Halters selbst wurden im Zusammenhang mit der bisherigen Erläuterung der einzelnen Ausführungsbeispiele keine näheren Angaben gemacht, wobei die Halter hinsichtlich deren Form, Abmessungen und Montagemöglichkeiten den an der jeweiligen Karosserie vorgesehenen Montagestellen anzupassen sind. Ein Ausführungsbeispiel sieht vor, daß jeder Halter zwei im Abstand voneinander angeordnete Montagekörper umfaßt, wobei jeder Montagekörper zur Montage an einem Montagepunkt der Karosserie vorgesehen ist.With regard to the design of the holder itself no further details have been made in connection with the previous explanation of the individual embodiments, the holders are to be adapted in terms of their shape, dimensions and mounting options provided for the respective body mounting locations. An embodiment provides that each holder comprises two spaced-apart mounting body, each mounting body is provided for mounting at a mounting point of the body.
Die beiden Montagekörper könnten dann, wenn sie jeweils mit den halterseitigen Schenkeln des jeweiligen Verbindungselements verbunden sind, separat vorgesehen sein. Um eine präzise Ausrichtung der Montagekörper zu erhalten, ist jedoch vorzugsweise vorgesehen, daß die Montagekörper miteinander verbunden sind.The two mounting bodies could then, if they are each connected to the holder-side legs of the respective connecting element, be provided separately. In order to obtain a precise alignment of the mounting body, however, it is preferably provided that the mounting body are connected together.
Vorzugsweise ist aus Gründen der Materialersparnis vorgesehen, daß die Montagekörper durch einen Steg miteinander verbunden sind.Preferably, it is provided for reasons of material savings that the mounting body are connected by a web.
Hinsichtlich der Materialien für den Querträger wurden bislang keine näheren Angaben gemacht. So sieht ein vorteilhaftes Ausführungsbeispiel vor, daß der Querträger als Rohr ausgebildet ist. Vorzugsweise ist der Querträger als Vierkantrohr ausgebildet, welches es besonders leicht macht, an einander gegenüberliegenden Wänden die Verbindungskörper im Abstand voneinander zu fixieren, so daß dadurch gleichzeitig auch der Querträger als Distanzstück zwischen den zwei Verbindungskörpern eines Verbindungselements einsetzbar ist.With regard to the materials for the cross member, no further details have been given so far. Thus, an advantageous embodiment provides that the cross member is formed as a tube. Preferably, the cross member is designed as a square tube, which makes it particularly easy to fix on opposite walls, the connecting body at a distance from each other, so that thereby also the cross member is used as a spacer between the two connecting bodies of a connecting element.
Vorzugsweise ist der Querträger aus Leichtmetall, insbesondere Aluminium hergestellt, um zur Gewichtsersparnis des Kupplungsträgers beizutragen.Preferably, the cross member is made of light metal, in particular aluminum, in order to contribute to the weight saving of the coupling carrier.
Weiterhin läßt sich eine Gewichtsersparnis bei dem erfindungsgemäßen Kupplungsträger auch dann erzielen, wenn die Halter aus Leichtmetall, insbesondere Aluminium ausgebildet sind.Furthermore, a weight saving in the coupling carrier according to the invention can also be achieved if the holders are made of light metal, in particular aluminum.
Weitere Merkmale und Vorteile der e.g. Lösung sind Gegenstand der nachfolgenden Beschreibung sowie der zeichnerischen Darstellung eines Ausführungsbeispiels.Further features and advantages of the e.g. Solution are the subject of the following description and the drawings of an embodiment.
In der Zeichnung zeigen:
- Fig. 1
- eine Ansicht von hinten eines erfindungsgemäßen Kupplungsträgers, montiert an einer Karosserie eines Kraftfahrzeugs mit teilweise weggebrochenem Stoßfänger;
- Fig. 2
- eine Seitenansicht längs Linie 2-2 in
Fig. 1 mit teilweise weggebrochener Karosserie und - Fig. 3
- eine Draufsicht auf eine Hälfte des erfindungsgemäßen Kupplungsträgers längs Linie 3-3 in
Fig. 1 , jedoch ohne die entsprechenden Teile der Karosserie.
- Fig. 1
- a view from the rear of a coupling carrier according to the invention, mounted on a body of a motor vehicle with a partially broken bumper;
- Fig. 2
- a side view along line 2-2 in
Fig. 1 with partly broken body and - Fig. 3
- a plan view of one half of the coupling carrier according to the invention along line 3-3 in
Fig. 1 but without the corresponding parts of the body.
Ein Ausführungsbeispiel eines erfindungsgemäßen Kupplungsträgers, dargestellt in
Mit diesen Montagestellen 24, 26 ist jeweils ein Halter 30, 32, vorzugsweise aus Aluminium, verbindbar, welcher dann über jeweils ein erfindungsgemäßes Verbindungselement 40, 42 mit einem Querträger 44 verbunden ist, der sich mit seiner Längsrichtung 46 quer, vorzugsweise senkrecht zur Längsrichtung 28 der Kraftfahrzeugkarosserie 18 erstreckt und zwar vorzugsweise parallel zu einem hinteren Stoßfänger 48 der Karosserie 18 und von diesem Stoßfänger 48 optisch verdeckt ist.With these mounting
Der Querträger 44 trägt dann seinerseits vorzugsweise in einem mittigen Befestigungsbereich 50 die Anhängekupplung 12, welche in unterschiedlichster Art und Weise ausgebildet sein kann. Beispielsweise kann es sich um eine Anhängekupplung 12 mit fest am Querträger 44 montiertem Kugelhals 14 handeln oder um eine Anhängekupplung 12 mit abnehmbarem Kugelhals 14 oder mit schwenkbarem Kugelhals, wobei jeweils der karosseriefeste Teil der Anhängekupplung 12 am Befestigungsbereich 50 montiert ist.The
Der Querträger 44 ist vorzugsweise aus einem Vierkantrohr, insbesondere einem Vierkantrohr aus Aluminium, ausgebildet und jeweils an seinen Enden 52, 54 offen, so daß in diesen die entsprechenden Verbindungselemente 40 bzw. 42 eingreifen können.The
Wie exemplarisch am Beispiel des Verbindungselements 40 in
Im Anschluß an die querträgerseitigen Schenkel 64, 66 umfassen die Flachmaterialstreben 60, 62 Bogensegmente der Verbindungskörper 76, 78, welche ausgehend von den sich im wesentlichen quer zur Längsrichtung 28 der Karosserie erstreckenden querträgerseitigen Schenkeln 64, 66 sich in einer ungefähr horizontal verlaufenden Ebene 80 so weit krümmen, bis sie mit halterseitigen Schenkeln 82 bzw. 84 ungefähr in der Längsrichtung 28 der Karosserie 18 verlaufen.Subsequent to the transverse beam-
Vorzugsweise liegt zwischen den halterseitigen Schenkeln 82 und 84 der jeweilige Halter 30 bzw. 32, welcher zwei in der Längsrichtung 28 im Abstand voneinander angeordnete Montagekörper, nämlich einen hinteren Montagekörper 86 und einen vorderen Montagekörper 88, umfaßt. Jeder der Montagekörper 86, 88 liegt zwischen den beiden halterseitigen Schenkeln 82 und 84 und ist vorzugsweise durch eine sowohl die halterseitigen Schenkel 82 und 84 als auch den jeweiligen Montagekörper 86 bzw. 88 durchgreifende Schraubverbindung 90 bzw. 92 mit den halterseitigen Schenkeln 82 bzw. 84 verbunden. Ferner ist jeder der Montagekörper 86 bzw. 88 mit einem Montageelement 94 bzw. 96 versehen, welches die Möglichkeit schafft, eine Verbindung mit den Montagepunkten 26a, 26b herzustellen. Beispielsweise sind die Montageelemente 94 bzw. 96 Bohrungen, durch welche Schrauben 98, 100 hindurchschraubbar sind, welche in die Montagepunkte 26a, 26b der jeweiligen Montagestelle 24, 26 einschraubbar oder mittels einer Mutter an diesen festlegbar sind.Preferably, between the holder-
Außerdem sind die beiden von dem jeweiligen Halter 30, 32 umfaßten Montagekörper 86, 88 noch zusätzlich durch einen Verbindungssteg 102 verbunden, welcher einerseits dafür sorgt, daß die beiden Montagekörper 86, 88 insbesondere mit den Montageelementen 94, 96 in einem exakt durch die Montagepunkte 26a, b definierten Abstand und in exakt definierter Ausrichtung zueinander stehen, so daß eine problemlose Montage an der Karosserie 18 möglich ist.In addition, the two of the
Durch die Ausbildung der Flachmaterialstreben 60, 62 aus Federstahl ergibt sich im Bereich der Bogensegmente der Verbindungskörper 76, 78 derselben ein elastisches Verhalten durch Veränderung der Bogenform, welches den zeitlichen Verlauf von Lastspitzen abflacht und die Lastspitzen dämpft. Außerdem hat eine derartige elastische Verbindung zwischen der Querstrebe 44 und den Haltern 30, 32 eine Lastwechselstabilität bei vernachlässigbarer Neigung zu Ermüdungsbrüchen.The formation of the flat material struts 60, 62 made of spring steel results in the region of the arc segments of the connecting
Ferner ergibt das Verwenden zweier Flachmaterialstreben 60, 62 aus Federstahl und deren starre Verbindung im Bereich der halterseitigen Schenkel 82, 84 und der querträgerseitigen Schenkel 64, 66 eine hohe Stabilität hinsichtlich der Fixierung des Querträgers 44 gegen Bewegungen desselben quer zu der Ebene 80 und Beschränkung des elastischen Verhaltens im wesentlichen auf Bewegungen des Querträgers 44 in der Ebene 80.Furthermore, the use of two flat material struts 60, 62 made of spring steel and their rigid connection in the region of the
Claims (22)
- Coupling support for motor vehicles, in particular for automobiles, comprising a cross bar (44), which extends essentially along a section of a rear bumper (48) and on which a tow bar (12) may be mounted, and two holders (30, 32), which are spaced from one another in the longitudinal direction of the cross bar (44), support the cross bar (44) and may be connected to mounting areas (24, 26) provided on a body of the motor vehicle, characterised in that connecting elements (40, 42) extending between the cross bar (44) and the holders (30, 32) connect the cross bar (44) to the holders (30, 32) elastically in relation to possible load peaks acting on the tow bar (12), that each connecting element (40, 42) has a curve section (76, 78) as intermediate piece between the cross bar (44) and the respective holder (30, 32), in that the curve section (76, 78) of the connecting element (40, 42) substantially determines the elastic behaviour of the respective connecting element (40, 42), and in that each connecting element (40, 42) is formed from at least one connecting member (76, 78), which extends along a line, is rigid under tension in the direction of its longitudinal extent and elastic transversely to the longitudinal extent.
- Coupling support according to Claim 1, characterised in that each connecting element (40, 42) has a first section (64, 66), which extends in the longitudinal direction (46) of the cross bar (44) and is connected thereto, and a second section (82, 84), which extends approximately in the longitudinal direction (28) of the vehicle body (18) and is connected to the respective holder (30, 32).
- Coupling support according to Claim 2, characterised in that each connecting element (40, 42) is connected at its first section (64, 66) to the cross bar (44) in the region of a respective end (52, 54) thereof.
- Coupling support according to Claim 2 or 3, characterised in that each connecting element extends with its first section (82, 84) approximately in the longitudinal direction (28) of the vehicle body (18) along the respective holder (30, 32).
- Coupling support according to one of the preceding claims, characterised in that the connecting elements (40, 42) can be connected to the holders (30, 32) by positive-locking elements (90, 92).
- Coupling support according to Claim 5, characterised in that the positive-locking elements (90, 92) pass through the holder (30, 32).
- Coupling support according to one of the preceding claims, characterised in that the connecting elements (40, 42) can be connected to the cross bar (44) by positive-locking elements (68, 70).
- Coupling support according to Claim 7, characterised in that the positive-locking elements (68, 70) pass through a wall (72, 74) of the cross bar (44).
- Coupling support according to one of the preceding claims, characterised in that the connecting member (76, 78) is configured as a flat material strut.
- Coupling support according to one of the preceding claims, characterised in that the connecting member (76, 78) is formed from spring steel.
- Coupling support according to one of the preceding claims, characterised in that each connecting member (76, 78) extends along the cross bar (44) with a leg (64, 66) on the cross bar side.
- Coupling support according to one of the preceding claims, characterised in that each connecting member (76, 78) extends along the respective holder (30, 32) with a leg (82, 84) on the holder side.
- Coupling support according to one of the preceding claims, characterised in that each connecting element (40, 42) is formed from two connecting members (76, 78).
- Coupling support according to Claim 13, characterised in that the two connecting members (76, 78) of a connecting element (40, 42) are arranged next to each other at a spacing.
- Coupling support according to Claim 13 or 14, characterised in that the respective holder (30, 32) engages between the two connecting members (76, 78).
- Coupling support according to Claim 15, characterised in that the respective holder (30, 32) lies essentially between the connecting members (76, 78).
- Coupling support according to one of the preceding claims, characterised in that each holder (30, 32) comprises two mounting members (86, 88) spaced from one another.
- Coupling support according to Claim 17, characterised in that the mounting members (86, 88) are connected to one another.
- Coupling support according to Claim 18, characterised in that the mounting members (86, 88) are connected to one another by a bar (102).
- Coupling support according to one of the preceding claims, characterised in that the cross bar (44) is configured as a tube.
- Coupling support according to one of the preceding claims, characterised in that the cross bar is made from light metal.
- Coupling support according to one of the preceding claims, characterised in that the holders (30, 32) are made from light metal.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19857321 | 1998-12-11 | ||
DE19857321A DE19857321A1 (en) | 1998-12-11 | 1998-12-11 | Clutch carrier |
Publications (4)
Publication Number | Publication Date |
---|---|
EP1008468A2 EP1008468A2 (en) | 2000-06-14 |
EP1008468A3 EP1008468A3 (en) | 2000-08-23 |
EP1008468B1 EP1008468B1 (en) | 2004-03-03 |
EP1008468B2 true EP1008468B2 (en) | 2009-08-05 |
Family
ID=7890824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99124240A Expired - Lifetime EP1008468B2 (en) | 1998-12-11 | 1999-12-04 | Mounting for drawbar |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1008468B2 (en) |
AT (1) | ATE260780T1 (en) |
DE (2) | DE19857321A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10061491C1 (en) * | 2000-12-09 | 2002-04-18 | Porsche Ag | Towing attachment for motor vehicle has cross member ends rigidly connected to respective mounting, with mountings and cross member fastened as assembly to body part of vehicle by longitudinally extending waisted bolts |
DE10315690B4 (en) * | 2003-04-07 | 2013-07-25 | Audi Ag | Fastening device for a hitch on a longitudinal member of a motor vehicle |
NL1030120C2 (en) * | 2005-10-05 | 2007-04-06 | Egbert Berend Holtkamp | Trailer that can be coupled behind a passenger car, method for manufacturing or adapting such a trailer, as well as kit for converting a trailer. |
DE102007060481A1 (en) | 2007-12-14 | 2009-06-18 | Volkswagen Ag | Mounting device for trailer coupling on motor vehicle, has end sided carrier strut displaceably arranged on cross bar element by bore hole and fixed in end region of cross bar element by frictional connection |
DE202009006345U1 (en) * | 2009-05-04 | 2010-09-23 | Al-Ko Kober Ag | carrier assembly |
DE102009035334A1 (en) | 2009-07-21 | 2011-01-27 | Scambia Industrial Developments Aktiengesellschaft | Towing hitch for motor vehicles |
DE102009051034B4 (en) * | 2009-10-28 | 2014-10-30 | Audi Ag | Device for attaching a towable unit to a support structure of a vehicle body |
DE102010006335B4 (en) * | 2010-01-30 | 2020-02-20 | Westfalia-Automotive Gmbh | Support component of a trailer coupling or a load carrier |
DE102011112258A1 (en) * | 2011-09-02 | 2013-03-07 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Rear attachment unit for a motor vehicle |
DE102013100777A1 (en) * | 2013-01-25 | 2014-07-31 | Scambia Holdings Cyprus Limited | Towing |
US9457633B2 (en) | 2014-10-21 | 2016-10-04 | Benteler Automobiltechnik Gmbh | Cross member system for a coupling device a motor vehicle |
DE102018216816B4 (en) * | 2018-09-28 | 2021-02-25 | Audi Ag | Device for preventing the penetration of a floor structure of a motor vehicle and motor vehicle |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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GB535722A (en) †| 1939-11-29 | 1941-04-18 | Jonas Woodhead & Sons Ltd | Improvements in or relating to drawbar springs for road and rail vehicles |
EP0069231A1 (en) †| 1981-07-03 | 1983-01-12 | Westfalia Werke Knoebel | Mounting with traction coupling for a motor vehicle |
US5149122A (en) †| 1991-04-26 | 1992-09-22 | Helber Robert A | Adjustable hitch assembly |
DE19603873A1 (en) †| 1996-02-03 | 1997-08-07 | Gerhard Dipl Ing Wohlhueter | Trailer attachment device |
Family Cites Families (13)
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US2747892A (en) * | 1954-10-20 | 1956-05-29 | James E Jones | Detachable bumper attached trailer hitch |
US3463514A (en) * | 1968-01-17 | 1969-08-26 | Valley Tow Rite Inc | Trailer hitch assembly |
US3768837A (en) * | 1971-03-01 | 1973-10-30 | Reese Products | Tow bar constituting a part of a hitch assembly adapted for securement to a vehicle frame |
DE2210847C3 (en) * | 1972-03-07 | 1980-01-31 | Westfalia-Werke Franz Knoebel & Soehne Kg, 4840 Rheda-Wiedenbrueck | Fastening of cross tubes as support tubes for fastening trailer hitches for motor vehicles |
CA1035804A (en) * | 1974-10-31 | 1978-08-01 | Leonard A. Wood | Kit of parts for a welded trailer hitch and procedure for welding such parts |
FR2357392A1 (en) * | 1976-07-09 | 1978-02-03 | Riehle Otto | Two ball assembly for road vehicles - is of sliding type with spring restraint in case of collision to avoid undue force on towed vehicle |
DE4017083A1 (en) * | 1990-05-26 | 1991-11-28 | Oris Metallbau Kg Riehle H | Hitching device for ball coupling on vehicle - has automatic interlocking device in cassette mounted in hitch recess |
CA2144137C (en) * | 1994-03-07 | 2000-08-22 | Harley A. Kravitz | Adjustable width trailer hitch |
DE19612960A1 (en) * | 1996-04-01 | 1997-10-02 | Oris Fahrzeugteile Riehle H | Trailer coupling |
DE29606636U1 (en) * | 1996-04-12 | 1996-07-25 | BPW Bergische Achsen KG, 51674 Wiehl | Device for receiving a trailer coupling |
DE29611694U1 (en) * | 1996-07-05 | 1996-09-05 | Westfalia-Werke Knöbel GmbH & Co., 33378 Rheda-Wiedenbrück | Hitch |
DE29615490U1 (en) * | 1996-09-05 | 1998-01-22 | AL-KO Kober AG, 89359 Kötz | Trailer coupling for motor vehicles |
DE29616145U1 (en) * | 1996-09-18 | 1996-10-31 | BPW Bergische Achsen Kommanditgesellschaft, 51674 Wiehl | Device for receiving a trailer coupling |
-
1998
- 1998-12-11 DE DE19857321A patent/DE19857321A1/en not_active Ceased
-
1999
- 1999-12-04 AT AT99124240T patent/ATE260780T1/en not_active IP Right Cessation
- 1999-12-04 EP EP99124240A patent/EP1008468B2/en not_active Expired - Lifetime
- 1999-12-04 DE DE59908719T patent/DE59908719D1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB535722A (en) †| 1939-11-29 | 1941-04-18 | Jonas Woodhead & Sons Ltd | Improvements in or relating to drawbar springs for road and rail vehicles |
EP0069231A1 (en) †| 1981-07-03 | 1983-01-12 | Westfalia Werke Knoebel | Mounting with traction coupling for a motor vehicle |
US5149122A (en) †| 1991-04-26 | 1992-09-22 | Helber Robert A | Adjustable hitch assembly |
DE19603873A1 (en) †| 1996-02-03 | 1997-08-07 | Gerhard Dipl Ing Wohlhueter | Trailer attachment device |
Also Published As
Publication number | Publication date |
---|---|
DE59908719D1 (en) | 2004-04-08 |
EP1008468A2 (en) | 2000-06-14 |
ATE260780T1 (en) | 2004-03-15 |
DE19857321A1 (en) | 2000-06-21 |
EP1008468A3 (en) | 2000-08-23 |
EP1008468B1 (en) | 2004-03-03 |
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